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Enhanced photoluminescence property of co-doped ZnB2O4: Eu3+, Tb3+ phosphor prepared by a thermal conversion method

Published online by Cambridge University Press:  13 January 2016

Yu-Yan Liang ,
Li-Jun Qiao  and
Zhi-Hong Liu
Yu-Yan Liang
Affiliation:
Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, Shaanxi, People's Republic of China
Li-Jun Qiao
Affiliation:
Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, Shaanxi, People's Republic of China
Zhi-Hong Liu*
Affiliation:
Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, Shaanxi, People's Republic of China
*
a) Address all correspondence to this author. e-mail: liuzh@snnu.edu.cn
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Abstract

The co-doped ZnB2O4:Eu3+, Tb3+ phosphor was prepared by a thermal conversion method using Zn[B3O3(OH)5]·H2O:Eu3+, Tb3+ as the precursor, which was characterized by energy dispersive x-ray spectrometer, x-ray powder diffraction, infrared, scanning electron microscopy, and photoluminescence. The effects of doped concentration, calcining temperature, and calcining time of precursor on the luminescence property of ZnB2O4: Eu3+, Tb3+ phosphor were investigated. The results showed that the ZnB2O4: Eu3+, Tb3+ phosphor with maximum luminescent intensity was obtained by calcining the precursor at 900 °C for 6 h. It is found that the ZnB2O4: Eu3+, Tb3+ phosphor prepared by this method exhibits much stronger emission intensity than that synthesized by conventional high temperature solid-state method. Meanwhile, ZnB2O4: Eu3+, Tb3+ also has stronger emission intensity and higher red to orange ratio than those of ZnB2O4: Eu3+.

Keywords

ZnB2O4 phosphorEu3+/Tb3+ co-dopingprecursora thermal conversion methodluminescence property

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Type
Articles
Information
Journal of Materials Research , Volume 31 , Issue 2 , 28 January 2016 , pp. 195 - 201
Copyright
Copyright © Materials Research Society 2016 

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References

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